package argvpb

// debug argv protobuf functions
// enable with --autodebug or Setenv( "AUTOCOMPLETE_VERBOSE" )

import (
	"fmt"
	"os"
	"strings"

	"go.wit.com/lib/cobol"
	"go.wit.com/lib/config"
)

func (pb *Argv) debugf(fmts string, parts ...any) {
	debugf(fmts, parts...)
}

// decides here to print to STDERR or not
func debugf(fmts string, parts ...any) {
	fmts = strings.TrimSpace(fmts)
	fmts += "\n"
	// PB.Stderr += fmt.Sprintf(fmts, parts...)
	fmt.Fprintf(Stddbg, fmts, parts...)
}

// print out auto complete debugging info
func (pb *Argv) printDebug(last string) {
	pb.printDebugNew("ARGV", me.last)
}

func (pb *Argv) printDebugNew(msg string, last *Argv) {
	// var arglast string
	// arglast = fmt.Sprintf("last='%s'", last.GetCmd())
	partial := fmt.Sprintf("p='%s'", pb.Partial)
	age := cobol.Duration(pb.Ctime)
	pdur := cobol.Duration(pb.Duration)
	argvdur := cobol.Duration(pb.ArgvDuration)

	var dbg string
	if me.debug {
		dbg = "dbg=1"
	} else {
		dbg = "dbg=0"
	}
	lens := fmt.Sprintf("len=%-2d,%-2d,%-2d", me.all.Len(), len(strings.Fields(pb.Stdout)), len(strings.Split(pb.Stderr, "\n")))
	fast := fmt.Sprintf("F%-2dout%-2derr%-2d %s", pb.Fast, pb.OutCounter, pb.ErrCounter, lens)
	top := fmt.Sprintf("%-4.4s age=(%s)(%s)dur(%s) %s %s cmd=%-12.12s", pb.Uuid, age, pdur, argvdur, dbg, fast, pb.GetCmd())
	debugf("%s: %s %-12.12s real='%v'", msg, top, partial, pb.Real)
}

func (all *Argvs) printHistory(msg string) {
	counter := 0
	var last *Argv
	// for pb := range all.Argv[0:10] {
	for pb := range all.IterAll() {
		counter += 1
		pb.printDebugNew(msg, last)
		last = pb
		if counter > 30 {
			// sometimes I'm dumb
			break
		}
	}
}

func printStddbg() {
	if !me.debug {
		return
	}
	if config.Exists("/tmp/argv.debug") {
		printStddbgFile()
		return
	}
	lines := strings.Split(strings.TrimSpace(PB.Stddbg), "\n")
	if len(lines) == 0 {
		return
	}
	fmt.Fprintf(os.Stderr, "\n")
	for _, line := range lines {
		fmt.Fprintf(os.Stderr, "%s\n", line)
	}
	fmt.Fprintf(os.Stderr, "\n")
}

func printStddbgFile() {
	if !me.debug {
		return
	}
	f, err := os.OpenFile("/tmp/argv.debug", os.O_APPEND|os.O_RDWR|os.O_CREATE, 0644)
	if err != nil {
		return
	}
	defer f.Close()
	lines := strings.Split(strings.TrimSpace(PB.Stddbg), "\n")
	if len(lines) == 0 {
		return
	}
	fmt.Fprintf(f, "\n")
	for _, line := range lines {
		fmt.Fprintf(f, "%s\n", line)
	}
	fmt.Fprintf(f, "\n")
}

func printStderr() {
	var lines []string
	for _, line := range strings.Split(strings.TrimSpace(PB.Stderr), "\n") {
		if strings.TrimSpace(line) == "" {
			continue
		}
		lines = append(lines, line)
	}
	if len(lines) == 0 {
		return
	}
	fmt.Fprintf(os.Stderr, "\n")
	for _, line := range lines {
		// line = strings.TrimSpace(line)
		// if line == "" {
		// 	continue
		// }
		fmt.Fprintf(os.Stderr, "%s\n", line)
	}
	fmt.Fprintf(os.Stderr, "\n")
}

func printStdout() {
	line := strings.TrimSpace(PB.Stdout)
	if line == "" {
		return
	}
	fmt.Fprintf(os.Stdout, " %s\n", line)
}